It's easy to take outside for travel Can help your see clearly Good quality

Specifications :

Magnifier	4X
Lens aperture	12mm
Prism material	BK7
The pupil diameter	3mm
Viewing Angle	12.5°
Nearly focal distance	230mm
Lens focal degree	+4D
Eyepiece focal degree	- 16D

  1 PC          Packing  Size  :   10*5*4 CM

10PCS  :     Packing  Size  :   26.5*9.5*10.5 CM

100PCS :    Packing  Size  :   49.5*29*24 CM

Black Mini Monocular telescope for travel